30131313321 has 16 divisors (see below), whose sum is σ = 41260826880. Its totient is φ = 19547191680.

The previous prime is 30131313307. The next prime is 30131313353. The reversal of 30131313321 is 12331313103.

It is not a de Polignac number, because 30131313321 - 2⁷ = 30131313193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30131313221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267025 + ... + 362718.

It is an arithmetic number, because the mean of its divisors is an integer number (2578801680).

Almost surely, 2^30131313321 is an apocalyptic number.

It is an amenable number.

30131313321 is a deficient number, since it is larger than the sum of its proper divisors (11129513559).

30131313321 is a wasteful number, since it uses less digits than its factorization.

30131313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630176.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30131313321 its reverse (12331313103), we get a palindrome (42462626424).

The spelling of 30131313321 in words is "thirty billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred twenty-one".